1. Virtual Programmable Buttons: Dynamically displays 4 pages, each page can be set to show the status of 28 DSS keys, supports custom configuration of 112 DSS keys.

2. Full-duplex hands-free calling, with acoustic echo cancellation (AEC) support.

3. DTMF: In-band audio, out-of-band - DTMF forwarding (RFC2833)/SIP INFO

4, 20 SIP lines

5. Quick dialing

6. Tripartite Meeting

7. Integrated Bluetooth 4.2 Module: Connects with Bluetooth Headphones/Pair with Mobile Phone Bluetooth

8. Built-in Wi-Fi.

9. Gigabit Ethernet: Adaptive 10/100/1000Mbps network port, supports PoE power supply.

10. Supports H.264 video decoding, capable of binding cameras, video access control, accepting video calls, viewing access control video through the phone's main screen, enabling remote door unlocking and interconnectivity.

11. Compatible with mainstream SIP-based IP PBX/SOFTWARE SWITCH/IMS platforms, such as Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya, and more.